Because he took credit for other people’s work just like the rest of us
The previous route was very dangerous and was also expensive to traverse. Early travelers encountered dangers such as war zones and diseases. They also had to cross deserts and mountains to get to their destination. Progress was made when a new route via the sea was discovered. This limited the perils that were once faced.
C) Father of the U.S. national park system is the phrase which best describes John Muir. John Muir was a Scottish-American author who wrote many books which have been read by millions about his travels around the Sierra Nevada and wilderness areas based around California and the west coast. His writings helped to preserve these areas and the Sierra Club which he founded is a prominent conservation organization.
